/*
 * Copyright (c) 2023-2025 110476592@qq.com
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 */

/**
 * @file fillrect_painter.h
 * @brief 截图工具 
 * @author 110476592@qq.com 
 * @note   承接Qt项目外包定制开发。长期接收C++项目实训学徒,联系QQ：110476592。
 */

 
#ifndef FILL_RECT_PAINTER_H
#define FILL_RECT_PAINTER_H
#include <painter/abs_painter.h>

/**
 * @brief 绘制实心矩形工具
 * 该类继承自 AbsPainter，用于实现绘制实心矩形的功能。
 * 包含构造函数、获取唯一标识符、处理绘制命令以及处理按下事件的方法。
 */
class FillRectPainter : public AbsPainter {
  // 声明该类使用 Qt 的信号与槽机制
  Q_OBJECT
public:
  /**
   * @brief 构造函数
   * 初始化 FillRectPainter 对象。
   * @param parent 父对象指针，默认为 nullptr，用于 Qt 的对象树管理。
   */
  explicit FillRectPainter(QObject *parent = nullptr);

  /**
   * @brief 获取该绘制器的唯一标识符
   * 重写基类的纯虚函数，为该绘制器提供唯一的标识符，用于在系统中区分不同的绘制器。
   * @return 表示该绘制器唯一标识符的整数
   */
  virtual int id() const override;

  /**
   * @brief 处理绘制命令，执行实心矩形的绘制操作
   * 重写基类的函数，根据传入的绘制器、点集和绘制参数，在指定的图像上绘制实心矩形。
   * @param painter 用于绘制的 QPainter 对象，提供绘制功能。
   * @param points 绘制所需的点的向量，可能包含矩形的起点、终点等信息。
   * @param param 绘制参数对象，包含颜色、线宽等绘制相关的参数。
   */
  virtual void processImage(QPainter &painter, const QVector<QPoint> &points,
                            const DrawParam& param) override;

public slots:
  /**
   * @brief 处理鼠标按下事件
   * 重写基类的纯虚函数，当发生鼠标按下事件时，该函数会被调用，
   * 可在其中实现与实心矩形绘制相关的初始化逻辑，如记录起点等。
   */
  virtual void onPressed() override;
};

#endif
